<?php
/*
 * All the Super Global Variables are
 * an associative array
 * */
a) $_REQUEST (parent of get and post)
b)    ---> $_GET (shows data from URL)
c)    ---> $_POST (get data submitted from <form> HTML tag)
d) $_FILES (get uploaded data with browse buttton)
e) $_SESSION
f) $_COOKIE
g) $_SERVER(shows server info)
h) $_ENV(shows environment)
